?? drawframe.java~1~
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package drawone;import java.awt.*;import java.awt.event.*;import javax.swing.*;/** * <p>Title: Demo</p> * <p>Description: This is a demo</p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: d6-125</p> * @author Liujun * @version 1.0 */public class DrawFrame extends JFrame { JPanel contentPane; BorderLayout borderLayout1 = new BorderLayout(); JPanel jPanel1 = new JPanel(); JToggleButton jToggleButton1 = new JToggleButton(); JToggleButton jToggleButton2 = new JToggleButton(); JToggleButton jToggleButton3 = new JToggleButton(); //Construct the frame public DrawFrame() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(DrawFrame.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); contentPane.setLayout(borderLayout1); this.setSize(new Dimension(400, 300)); this.setTitle("Draw Frame Demo"); jToggleButton1.setText("圓形"); jToggleButton1.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(MouseEvent e) { jToggleButton1_mouseClicked(e); } }); jToggleButton2.setText("正方形"); jToggleButton2.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(MouseEvent e) { jToggleButton2_mouseClicked(e); } }); jToggleButton3.setText("弧形"); jToggleButton3.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(MouseEvent e) { jToggleButton3_mouseClicked(e); } }); contentPane.add(jPanel1, BorderLayout.NORTH); jPanel1.add(jToggleButton1, null); jPanel1.add(jToggleButton2, null); jPanel1.add(jToggleButton3, null); } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } public void paint(Graphics g) { /**@todo: Override this java.awt.Container method*/ //重載該方法,來刷新屏幕 super.paint( g); if( jToggleButton1.isSelected()) g.drawOval(100,60,60,60);//畫一個圓形 if(jToggleButton2.isSelected()) g.drawRect(170,60,60,60);//畫一個正方形 if(jToggleButton3.isSelected()) g.drawArc(240,60,60,60,0,240);//畫一個弧形 } void jToggleButton1_mouseClicked(MouseEvent e) { this.repaint();// } void jToggleButton2_mouseClicked(MouseEvent e) { this.repaint();// } void jToggleButton3_mouseClicked(MouseEvent e) { this.repaint();// }}
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